//侧边栏显示部分
<template>
   <el-aside :width="$store.state.isCollapse ?'180px':'64px'" >
         <el-menu class="el-menu-vertical-demo"
         background-color="#545c64"
         text-color="#fff"
         :collapse="!$store.state.isCollapse"
         :collapse-transition="false"
         >
         
          <h3 v-show="$store.state.isCollapse">后台管理</h3>
          <h3 v-show="!$store.state.isCollapse">后台</h3>





       <el-menu-item 
       :index="item.path"
       v-for="item in noChildren()"
       :key="item.path"
       @click="clickMenu(item)"
       >
          <component class="icons" :is="item.icon"></component>
          <span>{{item.label}}</span>
        </el-menu-item>
        <el-sub-menu 
        :index="item.label"
        v-for="item in hasChildren()"
        :key="item.path"
        >
          <template #title>
           <component class="icons" :is="item.icon"></component>
          <span>{{item.label}}</span>
          </template>
          <!-- 二级菜单 -->
          <el-menu-item-group>
            <el-menu-item 
            :index="subItem.path"
            v-for="(subItem,subIndex) in item.children"
            :key="subIndex"
            @click="clickMenu(subItem)"
            >
            <component class="icons" :is="subItem.icon"></component>
          <span>{{subItem.label}}</span>
            </el-menu-item>
          </el-menu-item-group>
        </el-sub-menu>
       
   
      </el-menu>
    </el-aside>
</template>

<script>
import {useRouter} from "vue-router";
import {useStore} from "vuex";
export default {
    setup(){
      const store=useStore();
     const list=[
          {
          path: '/',
          name: 'home',
          label: '首页',
          icon: 's-home',
          url: 'Home/Home'
        },
        
        // {
        //   path: '/mall',
        //   name: 'mall',
        //   label: '商品管理',
        //   icon: 'video-play',
        //   url: 'MallManage/MallManage'
        // },
        {
          path: '/user',
          name: 'user',
          label: '用户管理',
          icon: 'user',
          url: 'UserManage/UserManage'
        },
        {
          label: '其他',
          icon: 'location',
          path:'/other',
          children: [
            {
              path: '/page1',
              name: 'page1',
              label: '页面1',
              icon: 'setting',
              url: 'Other/PageOne'
            },
            {
              path: '/page2',
              name: 'page2',
              label: '页面2',
              icon: 'setting',
              url: 'Other/PageTwo'
            }
          ]
        }

     ];
    const router =useRouter();
    const noChildren=()=>{
        return asyncList.filter((item) =>!item.children);
    };

    const hasChildren=()=>{
        return asyncList.filter((item)=>item.children);
    };
    const asyncList=store.state.menu;
    const clickMenu=(item)=>{
      router.push({
        name:item.name,
      }); }
    return{
        noChildren,
        hasChildren,
        clickMenu,
    }



    },
};
</script>

<style lang="less" scoped>
.icons{
    width:18px;
    height: 16px;
}
.el-menu{
  border-right: none;
  h3{
    line-height: 48px;
    color:#fff;
    text-align: center;
  }
}
// 

    
</style>
